Moving a railway bridge

Automated control when moving a bridge

A Leica TCA 1800 automatic target recognizing precision total station, controlled by the Leica APS Win Software, was in use when a bridge was moved by 23 metres below the Inter City Express main rail axis Mannheim-Frankfurt. This work on the Mannheim- Blumenau railway line was carried out by the Mannheim office of Bilfinger + Berger Bauaktiengesellschaft.The surveyor responsible for the measured control of the undertaking H. P. Echsle, describes this operation for our readers.